/Engine/Plugins/Interchange/Runtime/Source/Pipelines/Public/InterchangePipelineMeshesUtilities.h
Return true if there is an existingFInterchangeMeshGeometrymatching the MeshInstanceUid key.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Interchange | Pipeline | Meshes") bool IsValidMeshGeometryUid ( const [FString](API\Runtime\Core\Containers\FString) & MeshGeometryUid ) const